2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
28 static int via_do_init_map(drm_device_t
* dev
, drm_via_init_t
* init
)
30 drm_via_private_t
*dev_priv
;
32 DRM_DEBUG("%s\n", __FUNCTION__
);
34 dev_priv
= drm_alloc(sizeof(drm_via_private_t
), DRM_MEM_DRIVER
);
38 memset(dev_priv
, 0, sizeof(drm_via_private_t
));
41 if (!dev_priv
->sarea
) {
42 DRM_ERROR("could not find sarea!\n");
43 dev
->dev_private
= (void *)dev_priv
;
44 via_do_cleanup_map(dev
);
48 dev_priv
->fb
= drm_core_findmap(dev
, init
->fb_offset
);
50 DRM_ERROR("could not find framebuffer!\n");
51 dev
->dev_private
= (void *)dev_priv
;
52 via_do_cleanup_map(dev
);
55 dev_priv
->mmio
= drm_core_findmap(dev
, init
->mmio_offset
);
56 if (!dev_priv
->mmio
) {
57 DRM_ERROR("could not find mmio region!\n");
58 dev
->dev_private
= (void *)dev_priv
;
59 via_do_cleanup_map(dev
);
63 dev_priv
->sarea_priv
=
64 (drm_via_sarea_t
*) ((u8
*) dev_priv
->sarea
->handle
+
65 init
->sarea_priv_offset
);
67 dev_priv
->agpAddr
= init
->agpAddr
;
69 via_init_futex( dev_priv
);
70 dev_priv
->pro_group_a
= (dev
->pdev
->device
== 0x3118);
72 dev
->dev_private
= (void *)dev_priv
;
76 int via_do_cleanup_map(drm_device_t
* dev
)
78 if (dev
->dev_private
) {
80 drm_via_private_t
*dev_priv
= dev
->dev_private
;
84 drm_free(dev_priv
, sizeof(drm_via_private_t
), DRM_MEM_DRIVER
);
85 dev
->dev_private
= NULL
;
91 int via_map_init(DRM_IOCTL_ARGS
)
96 DRM_DEBUG("%s\n", __FUNCTION__
);
98 DRM_COPY_FROM_USER_IOCTL(init
, (drm_via_init_t __user
*) data
,
103 return via_do_init_map(dev
, &init
);
104 case VIA_CLEANUP_MAP
:
105 return via_do_cleanup_map(dev
);